Pressure maintaining tool for automobile parts

The utility model relates to the technical field of pressure maintaining tools for automobile parts, and discloses a pressure maintaining tool for automobile parts, which comprises a bottom plate, a mounting hole is formed in the bottom plate, and a positioning pin is fixedly mounted at the upper end of the bottom plate. The pressure maintaining tool for the automobile parts is provided with a bottom plate, the automobile parts are placed at the upper end of the bottom plate after being glued, three shells are arranged at the upper end of the bottom plate, pressure maintaining blocks are arranged on the sides, close to the automobile parts, of the shells and fixedly connected with sliding blocks in the shells, movable pins are arranged at the bottoms of the shells, and the movable pins make contact with rolling wheels in the sliding blocks. When the movable pin moves upwards, the inclined face drives the pressure maintaining block to move towards the interior of the shell through the rolling wheel, and when t